package hanqi.llbrary.Service;



import hanqi.llbrary.entity.book;

import java.util.List;

public interface bookService {
    List<book> findAll();
  book findById(Long id);
  void save(book book);
  void update(book book);
  void deleteById(Long id);
  List<book> findByTitle(String title);
  String getPublisherNameById(Long id);
  List<String> findAuthorList();
}
